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Software-defined implementation method based on intelligent substation protection and control system

A smart substation, software-defined technology, applied in the field of smart substations, can solve the problems such as the inability to meet the highly centralized measurement and control protection of smart substations, and the complex configuration process.

Active Publication Date: 2019-02-12
KYLAND TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a software-defined implementation method based on a smart substation protection and control system to solve the problem that the configuration method provided in the prior art has a complicated configuration process and cannot meet the needs of highly centralized measurement, control and protection of smart substations. technical problem

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  • Software-defined implementation method based on intelligent substation protection and control system

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Embodiment 1

[0018] figure 1 It is a schematic flowchart of a software-defined implementation method based on a smart substation protection control system provided by Embodiment 1 of the present invention.

[0019] In the present invention, all the spaced intelligent integrated units in the intelligent substation are directly connected to the transmission ports on the intelligent power server. Each integrated unit is connected to a transmission port on the intelligent power server through an embedded high-bandwidth switching communication network. The intelligent power server adopts the method of connecting each intelligent integrated unit to a transmission port on the intelligent power server through an embedded high-bandwidth switching communication network to collect process-level data in real time, and completes real-time data processing on the collected process-level data to realize the combination All the protection and measurement and control of the primary equipment connected to t...

Embodiment 2

[0039] In the first embodiment of the present invention, the SCD file configuration tool in step 101 establishes the SCD file of the smart substation according to the smart integrated unit and special functions planned by the smart substation. Exemplarily, different application scenarios of the smart substation have different dedicated functions. There are two implementation methods for the creation of the SCD file. Specifically, the first method is that the SCD file configuration tool directly sets the configuration information of each special function in the SCD file, the configuration information of each intelligent integrated unit, and the associated process layer virtual terminals. When the requirements of the smart substation need to add new special functions or update the existing special functions, the SCD file configuration tool directly adds or updates the configuration information of the corresponding special functions in the SCD file, and directly in the SCD file o...

Embodiment 3

[0044] In the above-mentioned embodiments of the present invention, when each special function realizes its function, especially for the measurement and control function and protection function, it is necessary to communicate with the integrated smart unit to obtain the subscribed SV / GOOSE data, and the integrated smart unit generally directly Connect to the transmission port on the intelligent power server, and each transmission port corresponds to the intelligent integrated unit one by one, therefore, the special function can be corresponding to at least one transmission port, and the special function can communicate with the intelligent integrated unit through at least one corresponding transmission port for data transfer. Specifically, in the above embodiment, the communication configuration information between the dedicated function and the integrated unit has been defined in the configuration information, then the communication configuration information between the dedica...

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Abstract

The invention relates to a software definition implementation method based on an intelligent substation protection control system. The intelligent power server described in the present invention changes the traditional substation using a decentralized modeling method that first adds a single physical device and then increases the function of each device. Instead, it takes the entire substation as the modeling object and adopts the method of directly adding and Update the centralized modeling of all protection, measurement and control, switching and telecontrol. Since the present invention establishes the SCD file of the smart substation according to the smart integrated unit and special functions planned by the smart substation, and sets the configuration information of each special function in the SCD file of the smart substation, it achieves the purpose of defining the smart substation through software. purpose of the function. The invention greatly reduces the number of secondary equipment in the substation and the occupied area of ​​the entire substation, reduces the difficulty of construction and maintenance, and provides a solution for realizing cloud control, cloud service, energy big data and energy Internet of the substation.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of smart substations, in particular to a software-defined implementation method based on a smart substation protection and control system. Background technique [0002] The smart substation takes the primary equipment and secondary equipment of the substation as intelligent objects, and based on the high-speed network communication platform, realizes information sharing and interoperability by standardizing intelligent information, and realizes measurement and monitoring based on network data , control protection, information management and other automation functions of the substation. [0003] In the prior art, the configuration process of the smart substation is as follows, each intelligent electronic device (IED) is modeled separately, and an intelligent electronic device capability description (IED Capability Description, ICD for short) file is set in each IED. The ICD file of each...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/22
CPCH02H7/22Y04S10/16Y04S40/128H02J3/00H02H7/261Y04S10/18Y04S10/20H02J2203/20H02J13/00017H02J13/00028H02J13/00034H02J13/0004Y02E60/00Y04S40/20Y04S40/124H04L41/0803H04L41/0886
Inventor 吴银福黄兵王飞
Owner KYLAND TECH CO LTD
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